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What options should I be exploring
Looking under the floorboards & finding out what is going on should be the first action, before considering a solution. How is the water getting in, how is it spreading etc....
(But yeah - injection is probably a waste of money).
[Edit] solid floors? Is that a more recent change? What are thye made of?
NotThamesWater-
Concrete? At a guess I imagine it was done by the owner before last but I'll confess I didn't give it enough thought or investigation at the time of purchase.
I'll try and lift a bit of the laminate at some point and have a look. What would I be on the look out for? Cracks?
Another option I'm considering is the quite drastic one of structural remodeling of the space to make it open plan to the hallway, doing away with this wall completely. Would require extending an RSJ insulating the end wall (end of terrace) but I want to do the latter anyway.
Polygon
I'm in a Victorian terrace that has solid floors at ground level. The pier wall at the junction of hall and two receptions has been getting steadily more damp since we moved in. I'm guess moisture is either wicking up the wall or through the slab then up the wall. What options should I be exploring other than chemical injections (which I'm not convinced of)? I guess ventilation could be improved, it's pretty draughty already, but that's not a substitute I know. Probably replacing floors at some point in the next year so fairly invasive is an option, though we do have to live here.
Will dehumidify the room tomorrow and see how much that helps.